These are some facts or background information about Calcium (appearance, state, etc..):
What: Soft- grayish alkaline earth metal
Appearance: silvery white
State: solid
Melting point: 842 degrees C
Boiling point: 1484 degrees C
Amount: Fifth most abundant by mass in earths crust
What: Soft- grayish alkaline earth metal
Appearance: silvery white
State: solid
Melting point: 842 degrees C
Boiling point: 1484 degrees C
Amount: Fifth most abundant by mass in earths crust